Answer
$4\sqrt3$
Work Step by Step
Simplify each radical when needed to obtain:
$=\sqrt{3} + \sqrt{9(3)}
\\=\sqrt{3} + 3\sqrt{3}
\\=(1+3)\sqrt{3}
\\=4\sqrt{3}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.4 The Irrational Numbers - Exercise Set 5.4 - Page 296: 48
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